RED OAK, IA · Montgomery County

RED OAK WATER SUPPLY Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID): IA6950075
System type: Community Water System
Population served: 5,596
Service connections: 2,702
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2018 – June 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2014 – July 31, 2014
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Picloram
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
Simazine
January 1, 2009 – December 31, 2014
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2006 – December 31, 2014
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2006 – December 31, 2014
Resolved
Monitoring, Regular
—
Chromium
January 1, 2006 – December 31, 2014
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2006 – December 31, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 1993 – July 31, 1993
Archived
Monitoring, Regular
—
Styrene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
Toluene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1992 – March 31, 1992
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1992 – March 31, 1992
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2018 – June 30, 2024	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2014 – July 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	Picloram	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2009 – December 31, 2014	Monitoring, Regular	Simazine	—	Resolved
January 1, 2006 – December 31, 2014	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2006 – December 31, 2014	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2006 – December 31, 2014	Monitoring, Regular	Chromium	—	Resolved
January 1, 2006 – December 31, 2014	Monitoring, Regular	Fluoride	—	Resolved
August 1, 1997 – August 31, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 1993 – July 31, 1993	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1992 – March 31, 1992	Monitoring, Regular	Styrene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	Toluene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1992 – March 31, 1992	Monitoring, Regular	CHLOROBENZENE	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

April 10, 2025State Public Notification received1 linked violation
March 3, 2025State Compliance achieved1 linked violation
January 22, 2025State Public Notification requested1 linked violation
January 22, 2025State Formal Notice of Violation issued1 linked violation
December 9, 2024State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 9, 2024State Public Notification received1 linked violation
October 21, 2024State Compliance achieved1 linked violation
October 21, 2024State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 17, 2024State Formal Notice of Violation issued2 linked violations
October 17, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 17, 2024State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
October 3, 2024State Formal Notice of Violation issued8 linked violations
July 29, 2024State Compliance achieved1 linked violation
July 9, 2024State Compliance achieved2 linked violations
October 19, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 2, 2019State Public Notification issued1 linked violation
January 17, 2019State Public Notification requested1 linked violation
January 17, 2019State Compliance achieved1 linked violation
July 14, 2015State Compliance achieved1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received2 linked violations
May 4, 2015State Public Notification received5 linked violations
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
May 4, 2015State Public Notification received1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 23, 2015State Compliance achieved1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Compliance achieved8 linked violations
February 18, 2015State Compliance achieved3 linked violations
February 18, 2015State Compliance achieved2 linked violations
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued2 linked violations
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
February 18, 2015State Public Notification requested1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
February 18, 2015State Compliance achieved1 linked violation
January 23, 2015State Formal Notice of Violation issued1 linked violation
January 23, 2015State Public Notification requested1 linked violation
November 17, 2014State Public Notification requested5 linked violations
November 17, 2014State Formal Notice of Violation issued8 linked violations
June 30, 1999State Public Notification received2 linked violations
June 30, 1999State Public Notification received2 linked violations
June 21, 1999State Boil Water Order2 linked violations
June 21, 1999State Boil Water Order2 linked violations
June 11, 1999State Formal Notice of Violation issued2 linked violations
October 16, 1997State Public Notification received4 linked violations
September 22, 1997State Public Notification requested2 linked violations
October 25, 1993State Intentional no-action2 linked violations
May 13, 1993State Compliance achieved1 linked violation
May 13, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 13, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 13, 1993State Compliance achieved1 linked violation
May 13, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 13, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 13, 1993State Compliance achieved1 linked violation
May 13, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 13, 1993State Compliance achieved2 linked violations
May 13, 1993State Compliance achieved3 linked violations
May 13, 1993State Compliance achieved2 linked violations
May 13, 1993State Compliance achieved3 linked violations
April 13, 1993State Formal Notice of Violation issued4 linked violations
April 13, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
April 13, 1993State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 13, 1993State Formal Notice of Violation issued2 linked violations
April 13, 1993State Public Notification requested8 linked violations
April 13, 1993State Formal Notice of Violation issued2 linked violations
April 13, 1993State Public Notification requested3 linked violations
April 13, 1993State Formal Notice of Violation issued5 linked violations
April 13, 1993State Formal Notice of Violation issued8 linked violations
April 13, 1993State Public Notification requested9 linked violations
April 13, 1993State Formal Notice of Violation issued8 linked violations
April 13, 1993State Formal Notice of Violation issued2 linked violations
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Public Notification requested2 linked violations
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Public Notification requested2 linked violations
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
April 13, 1993State Formal Notice of Violation issued2 linked violations
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
April 13, 1993State Formal Notice of Violation issued8 linked violations
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Formal Notice of Violation issued17 linked violations
April 13, 1993State Formal Notice of Violation issued3 linked violations
April 13, 1993State Public Notification requested18 linked violations

Contact

RED OAK WATER SUPPLY

712-623-6526

RED OAK, IA 51566